As she rests by the tree the hiker sees a hydro-electric scheme in the distant hills and a
nuclear submarine in the bay. In the valley below is a disused coal mine. Nearby is a wind
farm and a house with solar panels on the roof.
Tell me about energy in the situation
31. The wind doesn’t blow all the time so using the wind farm as a source of energy isn’t
sustainable.
true ( ) false ( ) don’t understand ( ) not sure ( )
32. Burning the coal from the mine has had an effect on global warming.
true ( ) false ( ) don’t understand ( ) not sure ( )
33. Because the nuclear reactor in the submarine will one day have to be replaced, it is
what is called a renewable energy source.
true ( ) false ( ) don’t understand ( ) not sure ( )
34. The energy of renewable resources such as solar energy can be recycled.
true ( ) false ( ) don’t understand ( ) not sure ( )
35. Scientists say that energy cannot be created or destroyed – this is one meaning for
conservation of energy
true ( ) false ( ) don’t understand ( ) not sure ( )
36. Hydro-electric schemes are known as renewable energy sources since dams can be
rebuilt.
true ( ) false ( ) don’t understand ( ) not sure ( )
37. The tree’s trunk stores energy from the sun and carbon from the atmosphere.
true ( ) false ( ) don’t understand ( ) not sure ( )